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xorg-x11-server/dga_cleanup.diff

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commit 322335d5b5b6f155f56fe3c1cbe372f13dc20932
Author: Luc Verhaegen <libv@skynet.be>
Date: Thu Oct 9 22:21:05 2008 +0200
DGA: Mash together xf86dga.c and xf86dga2.c.
This in preparation for an upcoming client state tracking fix.
diff --git a/hw/xfree86/dixmods/extmod/Makefile.am b/hw/xfree86/dixmods/extmod/Makefile.am
index 317971d..dd4ccd6 100644
--- a/hw/xfree86/dixmods/extmod/Makefile.am
+++ b/hw/xfree86/dixmods/extmod/Makefile.am
@@ -4,7 +4,7 @@ extsmoduledir = $(moduledir)/extensions
extsmodule_LTLIBRARIES = libextmod.la
if DGA
-DGA_SRCS = xf86dga.c xf86dga2.c dgaproc.h xf86dgaext.h
+DGA_SRCS = xf86dga2.c dgaproc.h xf86dgaext.h
endif
if XV
diff --git a/hw/xfree86/dixmods/extmod/xf86dga.c b/hw/xfree86/dixmods/extmod/xf86dga.c
deleted file mode 100644
index c66bca2..0000000
--- a/hw/xfree86/dixmods/extmod/xf86dga.c
+++ /dev/null
@@ -1,309 +0,0 @@
-
-/*
-
-Copyright (c) 1995 Jon Tombs
-Copyright (c) 1995, 1996, 1999 XFree86 Inc
-
-*/
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#define NEED_REPLIES
-#define NEED_EVENTS
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "misc.h"
-#include "dixstruct.h"
-#include "extnsionst.h"
-#include "colormapst.h"
-#include "cursorstr.h"
-#include "scrnintstr.h"
-#include "servermd.h"
-#define _XF86DGA_SERVER_
-#include <X11/extensions/xf86dga.h>
-#include <X11/extensions/xf86dgastr.h>
-#include "swaprep.h"
-#include "dgaproc.h"
-
-#include "xf86dgaext.h"
-
-
-static DISPATCH_PROC(ProcXF86DGADirectVideo);
-static DISPATCH_PROC(ProcXF86DGAGetVidPage);
-static DISPATCH_PROC(ProcXF86DGAGetVideoLL);
-static DISPATCH_PROC(ProcXF86DGAGetViewPortSize);
-static DISPATCH_PROC(ProcXF86DGASetVidPage);
-static DISPATCH_PROC(ProcXF86DGASetViewPort);
-static DISPATCH_PROC(ProcXF86DGAInstallColormap);
-static DISPATCH_PROC(ProcXF86DGAQueryDirectVideo);
-static DISPATCH_PROC(ProcXF86DGAViewPortChanged);
-
-
-static int
-ProcXF86DGAGetVideoLL(ClientPtr client)
-{
- REQUEST(xXF86DGAGetVideoLLReq);
- xXF86DGAGetVideoLLReply rep;
- XDGAModeRec mode;
- int num, offset, flags;
- char *name;
-
- if (stuff->screen > screenInfo.numScreens)
- return BadValue;
-
- REQUEST_SIZE_MATCH(xXF86DGAGetVideoLLReq);
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
-
- if(!DGAAvailable(stuff->screen))
- return (DGAErrorBase + XF86DGANoDirectVideoMode);
-
- if(!(num = DGAGetOldDGAMode(stuff->screen)))
- return (DGAErrorBase + XF86DGANoDirectVideoMode);
-
- /* get the parameters for the mode that best matches */
- DGAGetModeInfo(stuff->screen, &mode, num);
-
- if(!DGAOpenFramebuffer(stuff->screen, &name,
- (unsigned char**)(&rep.offset),
- (int*)(&rep.bank_size), &offset, &flags))
- return BadAlloc;
-
- rep.offset += mode.offset;
- rep.width = mode.bytesPerScanline / (mode.bitsPerPixel >> 3);
- rep.ram_size = rep.bank_size >> 10;
-
- WriteToClient(client, SIZEOF(xXF86DGAGetVideoLLReply), (char *)&rep);
- return (client->noClientException);
-}
-
-static int
-ProcXF86DGADirectVideo(ClientPtr client)
-{
- int num;
- PixmapPtr pix;
- XDGAModeRec mode;
- REQUEST(xXF86DGADirectVideoReq);
-
- if (stuff->screen > screenInfo.numScreens)
- return BadValue;
-
- REQUEST_SIZE_MATCH(xXF86DGADirectVideoReq);
-
- if (!DGAAvailable(stuff->screen))
- return DGAErrorBase + XF86DGANoDirectVideoMode;
-
- if (stuff->enable & XF86DGADirectGraphics) {
- if(!(num = DGAGetOldDGAMode(stuff->screen)))
- return (DGAErrorBase + XF86DGANoDirectVideoMode);
- } else
- num = 0;
-
- if(Success != DGASetMode(stuff->screen, num, &mode, &pix))
- return (DGAErrorBase + XF86DGAScreenNotActive);
-
- DGASetInputMode (stuff->screen,
- (stuff->enable & XF86DGADirectKeyb) != 0,
- (stuff->enable & XF86DGADirectMouse) != 0);
-
- return (client->noClientException);
-}
-
-static int
-ProcXF86DGAGetViewPortSize(ClientPtr client)
-{
- int num;
- XDGAModeRec mode;
- REQUEST(xXF86DGAGetViewPortSizeReq);
- xXF86DGAGetViewPortSizeReply rep;
-
- if (stuff->screen > screenInfo.numScreens)
- return BadValue;
-
- REQUEST_SIZE_MATCH(xXF86DGAGetViewPortSizeReq);
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
-
- if (!DGAAvailable(stuff->screen))
- return (DGAErrorBase + XF86DGANoDirectVideoMode);
-
- if(!(num = DGAGetOldDGAMode(stuff->screen)))
- return (DGAErrorBase + XF86DGANoDirectVideoMode);
-
- DGAGetModeInfo(stuff->screen, &mode, num);
-
- rep.width = mode.viewportWidth;
- rep.height = mode.viewportHeight;
-
- WriteToClient(client, SIZEOF(xXF86DGAGetViewPortSizeReply), (char *)&rep);
- return (client->noClientException);
-}
-
-static int
-ProcXF86DGASetViewPort(ClientPtr client)
-{
- REQUEST(xXF86DGASetViewPortReq);
-
- if (stuff->screen > screenInfo.numScreens)
- return BadValue;
-
- REQUEST_SIZE_MATCH(xXF86DGASetViewPortReq);
-
- if (!DGAAvailable(stuff->screen))
- return (DGAErrorBase + XF86DGANoDirectVideoMode);
-
- if (!DGAActive(stuff->screen))
- {
- int num;
- PixmapPtr pix;
- XDGAModeRec mode;
-
- if(!(num = DGAGetOldDGAMode(stuff->screen)))
- return (DGAErrorBase + XF86DGANoDirectVideoMode);
- if(Success != DGASetMode(stuff->screen, num, &mode, &pix))
- return (DGAErrorBase + XF86DGAScreenNotActive);
- }
-
- if (DGASetViewport(stuff->screen, stuff->x, stuff->y, DGA_FLIP_RETRACE)
- != Success)
- return DGAErrorBase + XF86DGADirectNotActivated;
-
- return (client->noClientException);
-}
-
-static int
-ProcXF86DGAGetVidPage(ClientPtr client)
-{
- REQUEST(xXF86DGAGetVidPageReq);
- xXF86DGAGetVidPageReply rep;
-
- if (stuff->screen > screenInfo.numScreens)
- return BadValue;
-
- REQUEST_SIZE_MATCH(xXF86DGAGetVidPageReq);
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.vpage = 0; /* silently fail */
-
- WriteToClient(client, SIZEOF(xXF86DGAGetVidPageReply), (char *)&rep);
- return (client->noClientException);
-}
-
-
-static int
-ProcXF86DGASetVidPage(ClientPtr client)
-{
- REQUEST(xXF86DGASetVidPageReq);
-
- if (stuff->screen > screenInfo.numScreens)
- return BadValue;
-
- REQUEST_SIZE_MATCH(xXF86DGASetVidPageReq);
-
- /* silently fail */
-
- return (client->noClientException);
-}
-
-
-static int
-ProcXF86DGAInstallColormap(ClientPtr client)
-{
- ColormapPtr pcmp;
- REQUEST(xXF86DGAInstallColormapReq);
-
- REQUEST_SIZE_MATCH(xXF86DGAInstallColormapReq);
-
- if (!DGAActive(stuff->screen))
- return (DGAErrorBase + XF86DGADirectNotActivated);
-
- pcmp = (ColormapPtr )LookupIDByType(stuff->id, RT_COLORMAP);
- if (pcmp) {
- DGAInstallCmap(pcmp);
- return (client->noClientException);
- } else {
- client->errorValue = stuff->id;
- return (BadColor);
- }
-}
-
-static int
-ProcXF86DGAQueryDirectVideo(ClientPtr client)
-{
- REQUEST(xXF86DGAQueryDirectVideoReq);
- xXF86DGAQueryDirectVideoReply rep;
-
- if (stuff->screen > screenInfo.numScreens)
- return BadValue;
-
- REQUEST_SIZE_MATCH(xXF86DGAQueryDirectVideoReq);
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.flags = 0;
-
- if (DGAAvailable(stuff->screen))
- rep.flags = XF86DGADirectPresent;
-
- WriteToClient(client, SIZEOF(xXF86DGAQueryDirectVideoReply), (char *)&rep);
- return (client->noClientException);
-}
-
-static int
-ProcXF86DGAViewPortChanged(ClientPtr client)
-{
- REQUEST(xXF86DGAViewPortChangedReq);
- xXF86DGAViewPortChangedReply rep;
-
- if (stuff->screen > screenInfo.numScreens)
- return BadValue;
-
- REQUEST_SIZE_MATCH(xXF86DGAViewPortChangedReq);
-
- if (!DGAActive(stuff->screen))
- return (DGAErrorBase + XF86DGADirectNotActivated);
-
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.result = 1;
-
- WriteToClient(client, SIZEOF(xXF86DGAViewPortChangedReply), (char *)&rep);
- return (client->noClientException);
-}
-
-int
-ProcXF86DGADispatch(register ClientPtr client)
-{
- REQUEST(xReq);
-
- switch (stuff->data)
- {
- case X_XF86DGAGetVideoLL:
- return ProcXF86DGAGetVideoLL(client);
- case X_XF86DGADirectVideo:
- return ProcXF86DGADirectVideo(client);
- case X_XF86DGAGetViewPortSize:
- return ProcXF86DGAGetViewPortSize(client);
- case X_XF86DGASetViewPort:
- return ProcXF86DGASetViewPort(client);
- case X_XF86DGAGetVidPage:
- return ProcXF86DGAGetVidPage(client);
- case X_XF86DGASetVidPage:
- return ProcXF86DGASetVidPage(client);
- case X_XF86DGAInstallColormap:
- return ProcXF86DGAInstallColormap(client);
- case X_XF86DGAQueryDirectVideo:
- return ProcXF86DGAQueryDirectVideo(client);
- case X_XF86DGAViewPortChanged:
- return ProcXF86DGAViewPortChanged(client);
- default:
- return BadRequest;
- }
-}
-
diff --git a/hw/xfree86/dixmods/extmod/xf86dga2.c b/hw/xfree86/dixmods/extmod/xf86dga2.c
index c12178f..100bde9 100644
--- a/hw/xfree86/dixmods/extmod/xf86dga2.c
+++ b/hw/xfree86/dixmods/extmod/xf86dga2.c
@@ -1,8 +1,10 @@
/*
- Copyright (c) 1999 - The XFree86 Project Inc.
-
- Written by Mark Vojkovich
-*/
+ * Copyright (c) 1995 Jon Tombs
+ * Copyright (c) 1995, 1996, 1999 XFree86 Inc
+ * Copyright (c) 1999 - The XFree86 Project Inc.
+ *
+ * Written by Mark Vojkovich
+ */
#ifdef HAVE_XORG_CONFIG_H
@@ -33,6 +35,8 @@
#include "modinit.h"
+#define DGA_PROTOCOL_OLD_SUPPORT 1
+
static DISPATCH_PROC(ProcXDGADispatch);
static DISPATCH_PROC(SProcXDGADispatch);
static DISPATCH_PROC(ProcXDGAQueryVersion);
@@ -141,7 +145,7 @@ ProcXDGAOpenFramebuffer(ClientPtr client)
if (stuff->screen > screenInfo.numScreens)
return BadValue;
- if (!DGAAvailable(stuff->screen))
+ if (!DGAAvailable(stuff->screen))
return DGAErrorBase + XF86DGANoDirectVideoMode;
REQUEST_SIZE_MATCH(xXDGAOpenFramebufferReq);
@@ -149,9 +153,9 @@ ProcXDGAOpenFramebuffer(ClientPtr client)
rep.length = 0;
rep.sequenceNumber = client->sequence;
- if(!DGAOpenFramebuffer(stuff->screen, &deviceName,
+ if(!DGAOpenFramebuffer(stuff->screen, &deviceName,
(unsigned char**)(&rep.mem1),
- (int*)&rep.size, (int*)&rep.offset, (int*)&rep.extra))
+ (int*)&rep.size, (int*)&rep.offset, (int*)&rep.extra))
{
return BadAlloc;
}
@@ -175,7 +179,7 @@ ProcXDGACloseFramebuffer(ClientPtr client)
if (stuff->screen > screenInfo.numScreens)
return BadValue;
- if (!DGAAvailable(stuff->screen))
+ if (!DGAAvailable(stuff->screen))
return DGAErrorBase + XF86DGANoDirectVideoMode;
REQUEST_SIZE_MATCH(xXDGACloseFramebufferReq);
@@ -259,7 +263,7 @@ ProcXDGAQueryModes(ClientPtr client)
info.viewport_flags = mode[i].viewportFlags;
info.reserved1 = mode[i].reserved1;
info.reserved2 = mode[i].reserved2;
-
+
WriteToClient(client, sz_xXDGAModeInfo, (char*)(&info));
WriteToClient(client, size, mode[i].name);
}
@@ -270,7 +274,7 @@ ProcXDGAQueryModes(ClientPtr client)
}
-static void
+static void
DGAClientStateChange (
CallbackListPtr* pcbl,
pointer nulldata,
@@ -287,7 +291,7 @@ DGAClientStateChange (
}
}
- if(client &&
+ if(client &&
((client->clientState == ClientStateGone) ||
(client->clientState == ClientStateRetained))) {
XDGAModeRec mode;
@@ -322,10 +326,10 @@ ProcXDGASetMode(ClientPtr client)
rep.flags = 0;
rep.sequenceNumber = client->sequence;
- if (!DGAAvailable(stuff->screen))
+ if (!DGAAvailable(stuff->screen))
return DGAErrorBase + XF86DGANoDirectVideoMode;
- if(DGAClients[stuff->screen] &&
+ if(DGAClients[stuff->screen] &&
(DGAClients[stuff->screen] != client))
return DGAErrorBase + XF86DGANoDirectVideoMode;
@@ -339,7 +343,7 @@ ProcXDGASetMode(ClientPtr client)
DGASetMode(stuff->screen, 0, &mode, &pPix);
WriteToClient(client, sz_xXDGASetModeReply, (char*)&rep);
return (client->noClientException);
- }
+ }
if(Success != DGASetMode(stuff->screen, stuff->mode, &mode, &pPix))
return BadValue;
@@ -359,7 +363,7 @@ ProcXDGASetMode(ClientPtr client)
}
size = strlen(mode.name) + 1;
-
+
info.byte_order = mode.byteOrder;
info.depth = mode.depth;
info.num = mode.num;
@@ -427,7 +431,7 @@ ProcXDGAInstallColormap(ClientPtr client)
return DGAErrorBase + XF86DGADirectNotActivated;
REQUEST_SIZE_MATCH(xXDGAInstallColormapReq);
-
+
cmap = (ColormapPtr)LookupIDByType(stuff->cmap, RT_COLORMAP);
if (cmap) {
DGAInstallCmap(cmap);
@@ -453,7 +457,7 @@ ProcXDGASelectInput(ClientPtr client)
return DGAErrorBase + XF86DGADirectNotActivated;
REQUEST_SIZE_MATCH(xXDGASelectInputReq);
-
+
if(DGAClients[stuff->screen] == client)
DGASelectInput(stuff->screen, client, stuff->mask);
@@ -473,7 +477,7 @@ ProcXDGAFillRectangle(ClientPtr client)
return DGAErrorBase + XF86DGADirectNotActivated;
REQUEST_SIZE_MATCH(xXDGAFillRectangleReq);
-
+
if(Success != DGAFillRect(stuff->screen, stuff->x, stuff->y,
stuff->width, stuff->height, stuff->color))
return BadMatch;
@@ -493,7 +497,7 @@ ProcXDGACopyArea(ClientPtr client)
return DGAErrorBase + XF86DGADirectNotActivated;
REQUEST_SIZE_MATCH(xXDGACopyAreaReq);
-
+
if(Success != DGABlitRect(stuff->screen, stuff->srcx, stuff->srcy,
stuff->width, stuff->height, stuff->dstx, stuff->dsty))
return BadMatch;
@@ -514,7 +518,7 @@ ProcXDGACopyTransparentArea(ClientPtr client)
return DGAErrorBase + XF86DGADirectNotActivated;
REQUEST_SIZE_MATCH(xXDGACopyTransparentAreaReq);
-
+
if(Success != DGABlitTransRect(stuff->screen, stuff->srcx, stuff->srcy,
stuff->width, stuff->height, stuff->dstx, stuff->dsty, stuff->key))
return BadMatch;
@@ -607,7 +611,7 @@ ProcXDGAChangePixmapMode(ClientPtr client)
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
-
+
x = stuff->x;
y = stuff->y;
@@ -638,8 +642,8 @@ ProcXDGACreateColormap(ClientPtr client)
if(!stuff->mode)
return BadValue;
-
- result = DGACreateColormap(stuff->screen, client, stuff->id,
+
+ result = DGACreateColormap(stuff->screen, client, stuff->id,
stuff->mode, stuff->alloc);
if(result != Success)
return result;
@@ -647,6 +651,262 @@ ProcXDGACreateColormap(ClientPtr client)
return (client->noClientException);
}
+/*
+ *
+ * Support for the old DGA protocol, used to live in xf86dga.c
+ *
+ */
+
+#ifdef DGA_PROTOCOL_OLD_SUPPORT
+
+static DISPATCH_PROC(ProcXF86DGADirectVideo);
+static DISPATCH_PROC(ProcXF86DGAGetVidPage);
+static DISPATCH_PROC(ProcXF86DGAGetVideoLL);
+static DISPATCH_PROC(ProcXF86DGAGetViewPortSize);
+static DISPATCH_PROC(ProcXF86DGASetVidPage);
+static DISPATCH_PROC(ProcXF86DGASetViewPort);
+static DISPATCH_PROC(ProcXF86DGAInstallColormap);
+static DISPATCH_PROC(ProcXF86DGAQueryDirectVideo);
+static DISPATCH_PROC(ProcXF86DGAViewPortChanged);
+
+
+static int
+ProcXF86DGAGetVideoLL(ClientPtr client)
+{
+ REQUEST(xXF86DGAGetVideoLLReq);
+ xXF86DGAGetVideoLLReply rep;
+ XDGAModeRec mode;
+ int num, offset, flags;
+ char *name;
+
+ if (stuff->screen > screenInfo.numScreens)
+ return BadValue;
+
+ REQUEST_SIZE_MATCH(xXF86DGAGetVideoLLReq);
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+ if(!DGAAvailable(stuff->screen))
+ return (DGAErrorBase + XF86DGANoDirectVideoMode);
+
+ if(!(num = DGAGetOldDGAMode(stuff->screen)))
+ return (DGAErrorBase + XF86DGANoDirectVideoMode);
+
+ /* get the parameters for the mode that best matches */
+ DGAGetModeInfo(stuff->screen, &mode, num);
+
+ if(!DGAOpenFramebuffer(stuff->screen, &name,
+ (unsigned char**)(&rep.offset),
+ (int*)(&rep.bank_size), &offset, &flags))
+ return BadAlloc;
+
+ rep.offset += mode.offset;
+ rep.width = mode.bytesPerScanline / (mode.bitsPerPixel >> 3);
+ rep.ram_size = rep.bank_size >> 10;
+
+ WriteToClient(client, SIZEOF(xXF86DGAGetVideoLLReply), (char *)&rep);
+ return (client->noClientException);
+}
+
+static int
+ProcXF86DGADirectVideo(ClientPtr client)
+{
+ int num;
+ PixmapPtr pix;
+ XDGAModeRec mode;
+ REQUEST(xXF86DGADirectVideoReq);
+
+ if (stuff->screen > screenInfo.numScreens)
+ return BadValue;
+
+ REQUEST_SIZE_MATCH(xXF86DGADirectVideoReq);
+
+ if (!DGAAvailable(stuff->screen))
+ return DGAErrorBase + XF86DGANoDirectVideoMode;
+
+ if (stuff->enable & XF86DGADirectGraphics) {
+ if(!(num = DGAGetOldDGAMode(stuff->screen)))
+ return (DGAErrorBase + XF86DGANoDirectVideoMode);
+ } else
+ num = 0;
+
+ if(Success != DGASetMode(stuff->screen, num, &mode, &pix))
+ return (DGAErrorBase + XF86DGAScreenNotActive);
+
+ DGASetInputMode (stuff->screen,
+ (stuff->enable & XF86DGADirectKeyb) != 0,
+ (stuff->enable & XF86DGADirectMouse) != 0);
+
+ return (client->noClientException);
+}
+
+static int
+ProcXF86DGAGetViewPortSize(ClientPtr client)
+{
+ int num;
+ XDGAModeRec mode;
+ REQUEST(xXF86DGAGetViewPortSizeReq);
+ xXF86DGAGetViewPortSizeReply rep;
+
+ if (stuff->screen > screenInfo.numScreens)
+ return BadValue;
+
+ REQUEST_SIZE_MATCH(xXF86DGAGetViewPortSizeReq);
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+ if (!DGAAvailable(stuff->screen))
+ return (DGAErrorBase + XF86DGANoDirectVideoMode);
+
+ if(!(num = DGAGetOldDGAMode(stuff->screen)))
+ return (DGAErrorBase + XF86DGANoDirectVideoMode);
+
+ DGAGetModeInfo(stuff->screen, &mode, num);
+
+ rep.width = mode.viewportWidth;
+ rep.height = mode.viewportHeight;
+
+ WriteToClient(client, SIZEOF(xXF86DGAGetViewPortSizeReply), (char *)&rep);
+ return (client->noClientException);
+}
+
+static int
+ProcXF86DGASetViewPort(ClientPtr client)
+{
+ REQUEST(xXF86DGASetViewPortReq);
+
+ if (stuff->screen > screenInfo.numScreens)
+ return BadValue;
+
+ REQUEST_SIZE_MATCH(xXF86DGASetViewPortReq);
+
+ if (!DGAAvailable(stuff->screen))
+ return (DGAErrorBase + XF86DGANoDirectVideoMode);
+
+ if (!DGAActive(stuff->screen))
+ {
+ int num;
+ PixmapPtr pix;
+ XDGAModeRec mode;
+
+ if(!(num = DGAGetOldDGAMode(stuff->screen)))
+ return (DGAErrorBase + XF86DGANoDirectVideoMode);
+ if(Success != DGASetMode(stuff->screen, num, &mode, &pix))
+ return (DGAErrorBase + XF86DGAScreenNotActive);
+ }
+
+ if (DGASetViewport(stuff->screen, stuff->x, stuff->y, DGA_FLIP_RETRACE)
+ != Success)
+ return DGAErrorBase + XF86DGADirectNotActivated;
+
+ return (client->noClientException);
+}
+
+static int
+ProcXF86DGAGetVidPage(ClientPtr client)
+{
+ REQUEST(xXF86DGAGetVidPageReq);
+ xXF86DGAGetVidPageReply rep;
+
+ if (stuff->screen > screenInfo.numScreens)
+ return BadValue;
+
+ REQUEST_SIZE_MATCH(xXF86DGAGetVidPageReq);
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.vpage = 0; /* silently fail */
+
+ WriteToClient(client, SIZEOF(xXF86DGAGetVidPageReply), (char *)&rep);
+ return (client->noClientException);
+}
+
+
+static int
+ProcXF86DGASetVidPage(ClientPtr client)
+{
+ REQUEST(xXF86DGASetVidPageReq);
+
+ if (stuff->screen > screenInfo.numScreens)
+ return BadValue;
+
+ REQUEST_SIZE_MATCH(xXF86DGASetVidPageReq);
+
+ /* silently fail */
+
+ return (client->noClientException);
+}
+
+
+static int
+ProcXF86DGAInstallColormap(ClientPtr client)
+{
+ ColormapPtr pcmp;
+ REQUEST(xXF86DGAInstallColormapReq);
+
+ REQUEST_SIZE_MATCH(xXF86DGAInstallColormapReq);
+
+ if (!DGAActive(stuff->screen))
+ return (DGAErrorBase + XF86DGADirectNotActivated);
+
+ pcmp = (ColormapPtr )LookupIDByType(stuff->id, RT_COLORMAP);
+ if (pcmp) {
+ DGAInstallCmap(pcmp);
+ return (client->noClientException);
+ } else {
+ client->errorValue = stuff->id;
+ return (BadColor);
+ }
+}
+
+static int
+ProcXF86DGAQueryDirectVideo(ClientPtr client)
+{
+ REQUEST(xXF86DGAQueryDirectVideoReq);
+ xXF86DGAQueryDirectVideoReply rep;
+
+ if (stuff->screen > screenInfo.numScreens)
+ return BadValue;
+
+ REQUEST_SIZE_MATCH(xXF86DGAQueryDirectVideoReq);
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.flags = 0;
+
+ if (DGAAvailable(stuff->screen))
+ rep.flags = XF86DGADirectPresent;
+
+ WriteToClient(client, SIZEOF(xXF86DGAQueryDirectVideoReply), (char *)&rep);
+ return (client->noClientException);
+}
+
+static int
+ProcXF86DGAViewPortChanged(ClientPtr client)
+{
+ REQUEST(xXF86DGAViewPortChangedReq);
+ xXF86DGAViewPortChangedReply rep;
+
+ if (stuff->screen > screenInfo.numScreens)
+ return BadValue;
+
+ REQUEST_SIZE_MATCH(xXF86DGAViewPortChangedReq);
+
+ if (!DGAActive(stuff->screen))
+ return (DGAErrorBase + XF86DGADirectNotActivated);
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.result = 1;
+
+ WriteToClient(client, SIZEOF(xXF86DGAViewPortChangedReply), (char *)&rep);
+ return (client->noClientException);
+}
+
+#endif /* DGA_PROTOCOL_OLD_SUPPORT */
static int
SProcXDGADispatch (ClientPtr client)
@@ -702,15 +962,11 @@ ProcXDGADispatch (ClientPtr client)
if (stuff->data <= X_XDGACreateColormap)
fprintf (stderr, " DGA %s\n", dgaMinor[stuff->data]);
#endif
-
- /* divert old protocol */
-#if 1
- if( (stuff->data <= X_XF86DGAViewPortChanged) &&
- (stuff->data >= X_XF86DGAGetVideoLL))
- return ProcXF86DGADispatch(client);
-#endif
switch (stuff->data){
+ /*
+ * DGA2 Protocol
+ */
case X_XDGAQueryVersion:
return ProcXDGAQueryVersion(client);
case X_XDGAQueryModes:
@@ -743,6 +999,29 @@ ProcXDGADispatch (ClientPtr client)
return ProcXDGAChangePixmapMode(client);
case X_XDGACreateColormap:
return ProcXDGACreateColormap(client);
+ /*
+ * Old DGA Protocol
+ */
+#ifdef DGA_PROTOCOL_OLD_SUPPORT
+ case X_XF86DGAGetVideoLL:
+ return ProcXF86DGAGetVideoLL(client);
+ case X_XF86DGADirectVideo:
+ return ProcXF86DGADirectVideo(client);
+ case X_XF86DGAGetViewPortSize:
+ return ProcXF86DGAGetViewPortSize(client);
+ case X_XF86DGASetViewPort:
+ return ProcXF86DGASetViewPort(client);
+ case X_XF86DGAGetVidPage:
+ return ProcXF86DGAGetVidPage(client);
+ case X_XF86DGASetVidPage:
+ return ProcXF86DGASetVidPage(client);
+ case X_XF86DGAInstallColormap:
+ return ProcXF86DGAInstallColormap(client);
+ case X_XF86DGAQueryDirectVideo:
+ return ProcXF86DGAQueryDirectVideo(client);
+ case X_XF86DGAViewPortChanged:
+ return ProcXF86DGAViewPortChanged(client);
+#endif /* DGA_PROTOCOL_OLD_SUPPORT */
default:
return BadRequest;
}
@@ -751,5 +1030,5 @@ ProcXDGADispatch (ClientPtr client)
void
XFree86DGARegister(INITARGS)
{
- XDGAEventBase = &DGAEventBase;
+ XDGAEventBase = &DGAEventBase;
}
commit 2d9da7a5f384d5f38b2be79b1ea0df5a3deb52d1
Author: Luc Verhaegen <libv@skynet.be>
Date: Thu Oct 9 22:22:53 2008 +0200
DGA: Track client state even when using old style DGA.
This fixes the issue that a badly killed DGA will keep on hogging
mode/framebuffer/mouse/keyboard.
diff --git a/hw/xfree86/dixmods/extmod/xf86dga2.c b/hw/xfree86/dixmods/extmod/xf86dga2.c
index 100bde9..df0030e 100644
--- a/hw/xfree86/dixmods/extmod/xf86dga2.c
+++ b/hw/xfree86/dixmods/extmod/xf86dga2.c
@@ -725,6 +725,10 @@ ProcXF86DGADirectVideo(ClientPtr client)
if (!DGAAvailable(stuff->screen))
return DGAErrorBase + XF86DGANoDirectVideoMode;
+ if (DGAClients[stuff->screen] &&
+ (DGAClients[stuff->screen] != client))
+ return DGAErrorBase + XF86DGANoDirectVideoMode;
+
if (stuff->enable & XF86DGADirectGraphics) {
if(!(num = DGAGetOldDGAMode(stuff->screen)))
return (DGAErrorBase + XF86DGANoDirectVideoMode);
@@ -738,6 +742,24 @@ ProcXF86DGADirectVideo(ClientPtr client)
(stuff->enable & XF86DGADirectKeyb) != 0,
(stuff->enable & XF86DGADirectMouse) != 0);
+ /* We need to track the client and attach the teardown callback */
+ if (stuff->enable &
+ (XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse)) {
+ if (!DGAClients[stuff->screen]) {
+ if (DGACallbackRefCount++ == 0)
+ AddCallback (&ClientStateCallback, DGAClientStateChange, NULL);
+ }
+
+ DGAClients[stuff->screen] = client;
+ } else {
+ if (DGAClients[stuff->screen]) {
+ if (--DGACallbackRefCount == 0)
+ DeleteCallback(&ClientStateCallback, DGAClientStateChange, NULL);
+ }
+
+ DGAClients[stuff->screen] = NULL;
+ }
+
return (client->noClientException);
}
@@ -780,22 +802,16 @@ ProcXF86DGASetViewPort(ClientPtr client)
if (stuff->screen > screenInfo.numScreens)
return BadValue;
+ if (DGAClients[stuff->screen] != client)
+ return DGAErrorBase + XF86DGADirectNotActivated;
+
REQUEST_SIZE_MATCH(xXF86DGASetViewPortReq);
if (!DGAAvailable(stuff->screen))
return (DGAErrorBase + XF86DGANoDirectVideoMode);
if (!DGAActive(stuff->screen))
- {
- int num;
- PixmapPtr pix;
- XDGAModeRec mode;
-
- if(!(num = DGAGetOldDGAMode(stuff->screen)))
- return (DGAErrorBase + XF86DGANoDirectVideoMode);
- if(Success != DGASetMode(stuff->screen, num, &mode, &pix))
- return (DGAErrorBase + XF86DGAScreenNotActive);
- }
+ return DGAErrorBase + XF86DGADirectNotActivated;
if (DGASetViewport(stuff->screen, stuff->x, stuff->y, DGA_FLIP_RETRACE)
!= Success)
@@ -846,6 +862,12 @@ ProcXF86DGAInstallColormap(ClientPtr client)
ColormapPtr pcmp;
REQUEST(xXF86DGAInstallColormapReq);
+ if (stuff->screen > screenInfo.numScreens)
+ return BadValue;
+
+ if (DGAClients[stuff->screen] != client)
+ return DGAErrorBase + XF86DGADirectNotActivated;
+
REQUEST_SIZE_MATCH(xXF86DGAInstallColormapReq);
if (!DGAActive(stuff->screen))
@@ -892,6 +914,9 @@ ProcXF86DGAViewPortChanged(ClientPtr client)
if (stuff->screen > screenInfo.numScreens)
return BadValue;
+ if (DGAClients[stuff->screen] != client)
+ return DGAErrorBase + XF86DGADirectNotActivated;
+
REQUEST_SIZE_MATCH(xXF86DGAViewPortChangedReq);
if (!DGAActive(stuff->screen))
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